1994 Dodge Spirit engine timing

My car seemed to be running good and boom it started to have no power on acceleration and seemed to jump a timing. Well the computer is free of all trouble shoot codes. I went to check timing belt.I am having a problem with tdc. The fly wheel mark on "0" where the tdc is ecept the #1 piston is going down and the sprockets marks are all off. So where do I start to making all timing marks linbe up the way they